All of the following are true of SN2 reactions except: The rate of the SN2 reaction of a substrate and a nucleophile is the same as the rate of the E2 reaction of the same two compounds. The rate varies with the concentration of nucleophile The rate varies with the type of nucleophile The nucleophile is involved in the rate-determining step

All of the following are true of SN2 reactions except: The rate of the SN2 reaction of a substrate and a nucleophile is the same as the rate of the E2 reaction of the same two compounds. The rate varies with the concentration of nucleophile The rate varies with the type of nucleophile The nucleophile is involved in the rate-determining step

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter13: Substitution

Section: Chapter Questions

Problem 26E

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Reactions are impacted by various factors that depend on the mechanism of the reaction.Some of the variables for substitution reactions are: • strength of the nucleophile • concentration of the nucleophile • leaving group ability (i.e., is it a “bad” or a “good” leaving group?In an SN2 reaction, the nucleophile forces the leaving group to leave. (This is the rate-determining step of the reaction.)In an SN1 reaction, the nucleophile does not attack until the leaving group has left. (When the leaving group leaves, this is the rate-determining step of the reaction.) Based on the information provided in this question, which factors would favor an SN2 reaction? a strong nucleophile a good leaving group a high concentration of nucleophile
Reactions are impacted by various factors that depend on the mechanism of the reaction.Some of the variables for substitution reactions are: • strength of the nucleophile • concentration of the nucleophile • leaving group ability (i.e., is it a “bad” or a “good” leaving group?In an SN2 reaction, the nucleophile forces the leaving group to leave. (This is the rate-determining step of the reaction.)In an SN1 reaction, the nucleophile does not attack until the leaving group has left. (When the leaving group leaves, this is the rate-determining step of the reaction.) Based on the information provided in this question, which factors would favor an SN2 reaction?Choose one or more: A.a strong nucleophile B.a good leaving group C.a high concentration of nucleophile Based on the information provided in this question, which factors would favor an SN1 reaction?Choose one or more: A.a strong nucleophile B.a good leaving group C.a high concentration…
Alkyl halides act as what in substitution reactions? Nucleophiles Electrophiles Catalysts Product E2 is bimolecular which means: both the nucleophile and the product take part in the step whose kinetics are measured both the nucleophile and the alkyl halide take part in the step whose kinetics are measured both the product and the alkyl halide take part in the step whose kinetics are measured None of the above
What are the list of difference between SN1, SN2, E1, and E2? (such as the type of nucleophiles needed, the type of substrates, solvents etc.)
which electrophile is capable of reacting by either an SN1 or SN2 mechanism depending on the type of nucleophile and solvent
The SN1 mechanism starts with the rate-determining step which is the dissociation of the alkyl halide into a carbocation and a halide ion. The next step is the rapid reaction of the carbocation intermediate with the nucleophile; this step completes the nucleophilic substitution stage. The step that follows the nucleophilic substitution is a fast acid-base reaction. The nucleophile now acts as a base to remove the proton from the oxonium ion from the previous step, to give the observed product. Draw a curved arrow mechanism for the reaction, adding steps as necessary. Be sure to include all nonzero formal charges.
Match the conditions most favorable for the substitution reaction type (SN1 or SN2) Strong nucleophile Tertiary carbocation intermediate Protic solvent Primary carbocation intermediate
Drawing the Products of an SN1 Reaction Label the nucleophile and leaving group, and draw the products (including stereochemistry) of the following SN1 reaction.
is this reaction following an SN1 or SN2 mechanism?Write out the rate law for this reaction.Draw a reaction coordinate diagram for this reaction.
How does the strength of the nucleophile affect an SN1 or SN2 mechanism?
What are the list of difference between SN1, SN2, E1, and E2? (such as the type of nucleophiles needed, the type of substrates, solvents etc.) When do we know when to use which mechanism? How do we use heat in an elimination reaction?
How will the rate of each of the following SN2 reactions change if it is carried out in a more polar solvent?

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		The rate of the SN2 reaction of a substrate and a nucleophile is the same as the rate of the E2 reaction of the same two compounds.
		The rate varies with the concentration of nucleophile
		The rate varies with the type of nucleophile
		The nucleophile is involved in the rate-determining step